138878610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20947}}^1$

素因数の和:20987

約数の個数: 64

約数和(自身を含む): 380080512

約数和(自身を除く): 241201902

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 20947, 41894, 62841, 104735, 125682, 209470, 272311, 314205, 356099, 544622, 628410, 712198, 816933, 1068297, 1361555, 1633866, 1780495, 2136594, 2723110, 3560990, 4084665, 4629287, 5341485, 8169330, 9258574, 10682970, 13887861, 23146435, 27775722, 46292870, 69439305, 138878610]

約数ペア:

[(1, 138878610), (2, 69439305), (3, 46292870), (5, 27775722), (6, 23146435), (10, 13887861), (13, 10682970), (15, 9258574), (17, 8169330), (26, 5341485), (30, 4629287), (34, 4084665), (39, 3560990), (51, 2723110), (65, 2136594), (78, 1780495), (85, 1633866), (102, 1361555), (130, 1068297), (170, 816933), (195, 712198), (221, 628410), (255, 544622), (390, 356099), (442, 314205), (510, 272311), (663, 209470), (1105, 125682), (1326, 104735), (2210, 62841), (3315, 41894), (6630, 20947)]